NCERT Solutions for Class 3 Maths - Long And Short

Page No 48:

Ques 1: 

The matchstick is 4 centimetres long. The die is 1 centimetre from every side. The lizard is 13 centimetres long. The leaf is ______ centimetres long. The wax colour is ______ centimetres long.
Ans: The leaf is 4 centimetres long. The wax colour is 7 centimetres long.

Ques 2: Now, look at a scale that you find in a geometry box. How many centimetres does it have? _______ The small scale that you mostly use in school is like this one.

Is it easier to start measuring from the 0 mark? Look at the things drawn near the scale and find out their lengths.
Ans: The small scale we mostly use in school is 15 cm long.
Yes, it is easier to start measuring things from the zero mark.
The length of the nail is 4 cm. The length of the pebble is 3 cm. The length of the safety pin is 2 cm. The length of the paper clip is 1 cm.

Page No 49:

Ques 1: What are the little lines on the scale used for?
Ans: Each little line on the scale is used to measure 0.1 cm.

Ques 2: Look for things that are 
– About 10 centimetres long 
– Between 10 and 20 centimetres long 
– Less than 1 cm long.
Ans: 
– Things that are 10 cm long are a color pencil and a photograph.
– Things that are between 10 and 20 cm long are a mobile phone and a notebook.
– Things that are less than 1 cm long are an ant, a lemon seed and a sugar crystal.
Disclaimer: The answer may vary from student to student, based on his/her observation. It is highly recommended that the students prepare the answer on their own. The answer provided here is for reference only.

Ques 3: Draw some of them here. 

Ans:

Page No 52:

Ques 1: Gibli and the Grains Ant Gibli has to reach the grains. She is looking for the shortest road. Can you tell her which is the shortest?Can you draw a road shorter then these? What is the length of that road? _____________

Ans: 

Road B is the shortest among all the four paths.
Yes, there can be a road shorter than these and the length of that road is 10 cm.

Page No 56:

Ques 1: Centimetres or Metres? Which of these will be in centimetres and which will be in metres? 
• Width of a computer screen 
• Length of a Pagdi worn by Sikhs 
• Height of a 1-year old child 
• Length of a banana 
• Waist of an elephant 
• Height of a sugarcane 
• Depth of a well 
• Height of your mother 
• Distance from school to home 
• Length of your father’s arm
Ans: Things that are measured in centimetres: 
1. Width of a computer screen
2. Height of 1-year old child
3. Length of a banana
4. Height of a sugarcane
5. Height of your mother
6. Length of your father’s arm
Things that are measured in metres: 
1. Length of a Pagdi worn by Sikhs
2. Waist of an elephant
3. Depth of a well
4. Distance from school to home

Page No 57:

Ques 1:

Now look at the distances between these places (for kilometres we write km). 
• Agra Cantt. Railway Station to Taj Mahal – 5 km 
• Taj Mahal to Agra Fort – 2 km 
• Agra Fort to Fatehpur Sikri – 40 km Now find from the map 
• Which is farther from Agra Cantt. Railway Station — Taj Mahal or Fatehpur Sikri?  shows the railway line.
Which of these is nearer to the railway line:
• Babarpur forest or Taj forest?
• Agra Fort or Taj Mahal? 
Which is closer to the river Yamuna:
• Taj Mahal or the Railway Station?
Ans: 
• Fatehpur Sikri is farther from Agra Cantt Railway Station.
• Babarpur Forest is nearer to the railway line.
• Agra Fort is nearer to the railway line.
• Taj Mahal is closer to the river Yamuna.

Page No 58:

Ques 1: Match the Correct Length Draw lines to match each picture with how long it can be.

Ans: